Home / 247,383,619.48-370,752,628.02-138,204,380.44

Finding the Fourth Proportional to 247,383,619.48, 370,752,628.02 and 138,204,380.44

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Solution

The fourth proportional to 247,383,619.48, 370,752,628.02 and 138,204,380.44 is: 207,126,233.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    247,383,619.48 : 370,752,628.02 = 138,204,380.44 : x
  2. Step 2: Convert to fraction form
    247,383,619.48/370,752,628.02 = 138,204,380.44/x
  3. Step 3: Cross multiply
    247,383,619.48x = 370,752,628.02 × 138,204,380.44
  4. Step 4: Simplify right side
    247,383,619.48x = 51,239,637,252,005,880
  5. Step 5: Solve for x
    x = 51,239,637,252,005,880/247,383,619.48
  6. Step 6: Final answer
    x = 207,126,233.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.